HF Sinclair Corporation announced that, on July 12, 2024, the Board of Directors appointed Vivek Garg as the Corporation?s Chief Accounting Officer and Controller and designated Mr. Garg as the principal accounting officer of the Corporation, in each case effective July 29, 2024 (or such other date as may be agreed), which is his expected start date with the Corporation. Mr. Garg, age 50, currently serves as Head, SEC, External Reporting and Controls, Global of Newmont Corporation (?Newmont?), a position he has held since October 2023. Prior to then, he served as Group Executive, Assistant Controller from December 2021 to October 2023, and Senior Director, Assistant Controller from November 2018 to December 2021.

Prior to joining Newmont, Mr. Garg held the positions of Deputy Controller, Technical Accounting & Reporting, and Director, Technical Accounting at Andeavor (now Marathon Petroleum Corp.), from June 2015 to November 2018. Prior to then, he served in assurance and accounting advisory services roles for 13 years at Deloitte & Touche LLP and PricewaterhouseCoopers LLP, having most recently served as Director in Capital Markets and Accounting Advisory Services at PricewaterhouseCoopers LLP from February 2012 to June 2015. He is a registered Certified Public Accountant and a Canadian Chartered Professional Accountant.